How did Gennady Golovkin, who defends his WBA middleweight title against Mexican veteran Marco Antonio Rubio on Saturday at StubHub Center in Carson, California, become an attraction in the greater Los Angeles area without ever fighting in the region?

Gennady Golovkin was looking for a big name to fight for his California debut and sixth HBO appearance on Oct. 18. The stars weren’t available, so his team settled on Mexican veteran Marco Antonio Rubio, who may be the perfect opponent for a main event at StubHub Center.

Welterweight beltholder Shawn Porter had to strip down to do it but he weighed in at 146.75 pounds at Friday’s weigh-in for his IBF title defense against British challenger Kell Brook, who weighed 146.5. Porter-Brook headlines Saturday’s Showtime tripleheader in Carson, Calif.

Daniel Estrada carries the dying wish of his sister into his challenge to WBC lightweight titleholder Omar Figueroa Jr. on Saturday. The Mexico City native lost his sister and one of his nieces to a car accident two weeks ago and has dedicated the fight to their memory.